LTC3783 LINER [Linear Technology], LTC3783 Datasheet - Page 12

• Manufacturer Part Number: LTC3783
• Description: Full-Featured LED Driver with 1.5A Switch Current
• Manufacturer: LINER [Linear Technology]

LT3517
TYPICAL APPLICATIONS
12
V
5V
350mA, 5V to 12V Boost Converter with Accurate Input Current Limit
IN
PV
3.3V
24V
V
C1: KEMET C0805C225K4RAC
C2: MURATA GRM31MR71E225KA93
C3: MURATA GRM32DR71E106KA12B
C4, C5: MURATA GRM21BR71H104KA01B
D1: DIODES DFLS160
L1: TOKO B992AS-150M
LEDS: LUXEON K2 (WHITE)
M1: ZETEX ZXMP6A13FTA
IN
IN
C1: KEMET C0805C225K4RAC
C2: KEMET C1206C106K4RAC
C3: MURATA GRM21BR71H104KA01B
C4: MURATA GCM033R71A103KA03
D1: ZETEX ZLLS1000TA
L1: TOKO B992AS-6R8N
2.2μF
PWM
V
REF
C1
C1
2.2μF
SHDN
C2
2.2μF
10nF
Buck Mode 1A LED Driver
C4
V
CTRL
PWM
SHDN
TGEN
V
10k
V
SHDN
CTRL
PWM
SYNC
R3
ISP
IN
REF
IN
TGEN
ISP
VC
100mΩ
R
SENSE
R
100mΩ
TG
0.1μF
SENSE
V
LT3517
REF
LT3517
C4
GND
ISN
ISN
6.8μH
VC
L1
M1
TG
SS
GND
SYNC
SW
SW
RT
FB
SS
RT
FB
C3
0.1μF
D1
1A
R
16.9k
1MHz
T
R
6.04k
2MHz
T
C5
0.1μF
R1
549k
R2
49.9k
L1
15μH
3517 TA03a
C3
10μF
3517 TA02a
D1
C2
10μF
V
12V
350mA
OUT
5V/DIV
1A/DIV
1A/DIV
PWM
I
LED
I
L
PV
f
I
OSC
LED
90
80
70
60
50
IN
50
= 1A
= 1MHz
2000:1 PWM Dimming at 120Hz
= 24V
100
150
Efficiency
I
1μs/DIV
LOAD
200
(mA)
250
300
3517 TA03b
3517 TA02b
350
3517ff